<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2011 Bill Brown<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<FONT color="green">005</FONT>     * you may not use this file except in compliance with the License.<a name="line.5"></a>
<FONT color="green">006</FONT>     * You may obtain a copy of the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<FONT color="green">012</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<FONT color="green">013</FONT>     * See the License for the specific language governing permissions and<a name="line.13"></a>
<FONT color="green">014</FONT>     * limitations under the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    package com.colorfulsoftware.rss;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    import java.io.Serializable;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    /**<a name="line.20"></a>
<FONT color="green">021</FONT>     * &lt;p&gt;<a name="line.21"></a>
<FONT color="green">022</FONT>     * The &amp;lt;category&gt; element.<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;/p&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * &lt;p&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * From the &lt;a href="http://cyber.law.harvard.edu/rss/rss.html"&gt;RSS 2.0<a name="line.25"></a>
<FONT color="green">026</FONT>     * specification&lt;/a&gt;...<a name="line.26"></a>
<FONT color="green">027</FONT>     * &lt;/p&gt;<a name="line.27"></a>
<FONT color="green">028</FONT>     * &lt;p&gt;<a name="line.28"></a>
<FONT color="green">029</FONT>     * FOR channels: Specify one or more categories that the channel belongs to.<a name="line.29"></a>
<FONT color="green">030</FONT>     * Follows the same rules as the &amp;lt;item&gt;-level &lt;a href=<a name="line.30"></a>
<FONT color="green">031</FONT>     * "http://cyber.law.harvard.edu/rss/rss.html#ltcategorygtSubelementOfLtitemgt"<a name="line.31"></a>
<FONT color="green">032</FONT>     * &gt;category&lt;/a&gt; element. More &lt;a<a name="line.32"></a>
<FONT color="green">033</FONT>     * href="http://cyber.law.harvard.edu/rss/rss.html#syndic8"&gt;info&lt;/a&gt;.<a name="line.33"></a>
<FONT color="green">034</FONT>     * &lt;/p&gt;<a name="line.34"></a>
<FONT color="green">035</FONT>     * <a name="line.35"></a>
<FONT color="green">036</FONT>     * &lt;p&gt;<a name="line.36"></a>
<FONT color="green">037</FONT>     * FOR items: Includes the item in one or more categories. &lt;a href=<a name="line.37"></a>
<FONT color="green">038</FONT>     * "http://cyber.law.harvard.edu/rss/rss.html#ltcategorygtSubelementOfLtitemgt"<a name="line.38"></a>
<FONT color="green">039</FONT>     * &gt;More&lt;/a&gt;.<a name="line.39"></a>
<FONT color="green">040</FONT>     * <a name="line.40"></a>
<FONT color="green">041</FONT>     * &lt;p&gt;<a name="line.41"></a>
<FONT color="green">042</FONT>     * &amp;lt;category&gt; is an optional sub-element of &amp;lt;item&gt;.<a name="line.42"></a>
<FONT color="green">043</FONT>     * &lt;/p&gt;<a name="line.43"></a>
<FONT color="green">044</FONT>     * <a name="line.44"></a>
<FONT color="green">045</FONT>     * &lt;p&gt;<a name="line.45"></a>
<FONT color="green">046</FONT>     * It has one optional attribute, domain, a string that identifies a<a name="line.46"></a>
<FONT color="green">047</FONT>     * categorization taxonomy.<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;/p&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>     * <a name="line.49"></a>
<FONT color="green">050</FONT>     * &lt;p&gt;<a name="line.50"></a>
<FONT color="green">051</FONT>     * The value of the element is a forward-slash-separated string that identifies<a name="line.51"></a>
<FONT color="green">052</FONT>     * a hierarchic location in the indicated taxonomy. Processors may establish<a name="line.52"></a>
<FONT color="green">053</FONT>     * conventions for the interpretation of categories. Two examples are provided<a name="line.53"></a>
<FONT color="green">054</FONT>     * below:<a name="line.54"></a>
<FONT color="green">055</FONT>     * &lt;/p&gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     * <a name="line.56"></a>
<FONT color="green">057</FONT>     * &lt;p&gt;<a name="line.57"></a>
<FONT color="green">058</FONT>     * &amp;lt;category&gt;Grateful Dead&amp;lt;/category&gt;<a name="line.58"></a>
<FONT color="green">059</FONT>     * &lt;/p&gt;<a name="line.59"></a>
<FONT color="green">060</FONT>     * <a name="line.60"></a>
<FONT color="green">061</FONT>     * &lt;p&gt;<a name="line.61"></a>
<FONT color="green">062</FONT>     * &amp;lt;category domain="http://www.fool.com/cusips"&gt;MSFT&amp;lt;/category&gt;<a name="line.62"></a>
<FONT color="green">063</FONT>     * &lt;/p&gt;<a name="line.63"></a>
<FONT color="green">064</FONT>     * <a name="line.64"></a>
<FONT color="green">065</FONT>     * &lt;p&gt;<a name="line.65"></a>
<FONT color="green">066</FONT>     * You may include as many category elements as you need to, for different<a name="line.66"></a>
<FONT color="green">067</FONT>     * domains, and to have an item cross-referenced in different parts of the same<a name="line.67"></a>
<FONT color="green">068</FONT>     * domain.<a name="line.68"></a>
<FONT color="green">069</FONT>     * &lt;/p&gt;<a name="line.69"></a>
<FONT color="green">070</FONT>     * <a name="line.70"></a>
<FONT color="green">071</FONT>     * @author Bill Brown<a name="line.71"></a>
<FONT color="green">072</FONT>     * <a name="line.72"></a>
<FONT color="green">073</FONT>     */<a name="line.73"></a>
<FONT color="green">074</FONT>    public class Category implements Serializable {<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>            private static final long serialVersionUID = 3499943299756566396L;<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>            private final String category;<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>            private final Attribute domain;<a name="line.80"></a>
<FONT color="green">081</FONT>    <a name="line.81"></a>
<FONT color="green">082</FONT>            Category(Attribute domain, String category) throws RSSpectException {<a name="line.82"></a>
<FONT color="green">083</FONT>                    this.domain = (domain == null) ? null : new Attribute(domain);<a name="line.83"></a>
<FONT color="green">084</FONT>                    // spec doesn't require it but category should be present<a name="line.84"></a>
<FONT color="green">085</FONT>                    if (category == null) {<a name="line.85"></a>
<FONT color="green">086</FONT>                            throw new RSSpectException(<a name="line.86"></a>
<FONT color="green">087</FONT>                                            "Category elements SHOULD contain text data.  Empty strings are allowed.");<a name="line.87"></a>
<FONT color="green">088</FONT>                    }<a name="line.88"></a>
<FONT color="green">089</FONT>                    this.category = category;<a name="line.89"></a>
<FONT color="green">090</FONT>            }<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>            Category(Category category) {<a name="line.92"></a>
<FONT color="green">093</FONT>                    this.domain = category.getDomain();<a name="line.93"></a>
<FONT color="green">094</FONT>                    this.category = category.category;<a name="line.94"></a>
<FONT color="green">095</FONT>            }<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>            /**<a name="line.97"></a>
<FONT color="green">098</FONT>             * @return the category.<a name="line.98"></a>
<FONT color="green">099</FONT>             */<a name="line.99"></a>
<FONT color="green">100</FONT>            public String getCategory() {<a name="line.100"></a>
<FONT color="green">101</FONT>                    return category;<a name="line.101"></a>
<FONT color="green">102</FONT>            }<a name="line.102"></a>
<FONT color="green">103</FONT>    <a name="line.103"></a>
<FONT color="green">104</FONT>            /**<a name="line.104"></a>
<FONT color="green">105</FONT>             * @return the domain url for the category.<a name="line.105"></a>
<FONT color="green">106</FONT>             */<a name="line.106"></a>
<FONT color="green">107</FONT>            public Attribute getDomain() {<a name="line.107"></a>
<FONT color="green">108</FONT>                    return (domain == null) ? null : new Attribute(domain);<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>            /**<a name="line.112"></a>
<FONT color="green">113</FONT>             * Shows the contents of the &amp;lt;category&gt; element.<a name="line.113"></a>
<FONT color="green">114</FONT>             */<a name="line.114"></a>
<FONT color="green">115</FONT>            @Override<a name="line.115"></a>
<FONT color="green">116</FONT>            public String toString() {<a name="line.116"></a>
<FONT color="green">117</FONT>                    return "&lt;category" + ((domain == null) ? "&gt;" : domain + " &gt;")<a name="line.117"></a>
<FONT color="green">118</FONT>                                    + category + "&lt;/category&gt;";<a name="line.118"></a>
<FONT color="green">119</FONT>            }<a name="line.119"></a>
<FONT color="green">120</FONT>            <a name="line.120"></a>
<FONT color="green">121</FONT>            @Override<a name="line.121"></a>
<FONT color="green">122</FONT>            public boolean equals(Object obj) {<a name="line.122"></a>
<FONT color="green">123</FONT>                    if (obj == this) {<a name="line.123"></a>
<FONT color="green">124</FONT>                            return true;<a name="line.124"></a>
<FONT color="green">125</FONT>                    }<a name="line.125"></a>
<FONT color="green">126</FONT>                    if (!(obj instanceof Category)) {<a name="line.126"></a>
<FONT color="green">127</FONT>                            return false;<a name="line.127"></a>
<FONT color="green">128</FONT>                    }<a name="line.128"></a>
<FONT color="green">129</FONT>                    return this.toString().equals(obj.toString());<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>            <a name="line.131"></a>
<FONT color="green">132</FONT>            @Override public int hashCode() {<a name="line.132"></a>
<FONT color="green">133</FONT>                    return toString().hashCode();<a name="line.133"></a>
<FONT color="green">134</FONT>            }<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>    }<a name="line.136"></a>




























































</PRE>
</BODY>
</HTML>
